Home / 6,439,886.52-8,887,256.46-3,539,380.20

Finding the Fourth Proportional to 6,439,886.52, 8,887,256.46 and 3,539,380.20

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Solution

The fourth proportional to 6,439,886.52, 8,887,256.46 and 3,539,380.20 is: 4,884,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,886.52 : 8,887,256.46 = 3,539,380.20 : x
  2. Step 2: Convert to fraction form
    6,439,886.52/8,887,256.46 = 3,539,380.20/x
  3. Step 3: Cross multiply
    6,439,886.52x = 8,887,256.46 × 3,539,380.20
  4. Step 4: Simplify right side
    6,439,886.52x = 31,455,379,546,846.10
  5. Step 5: Solve for x
    x = 31,455,379,546,846.10/6,439,886.52
  6. Step 6: Final answer
    x = 4,884,461.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.